./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 913adc451f82986f823cb502b614806ec5bc93f1 ..................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 913adc451f82986f823cb502b614806ec5bc93f1 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 1) (_ BitVec 1)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:21:07,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:21:07,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:21:07,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:21:07,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:21:07,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:21:07,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:21:07,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:21:07,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:21:07,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:21:07,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:21:07,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:21:07,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:21:07,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:21:07,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:21:07,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:21:07,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:21:07,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:21:07,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:21:07,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:21:07,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:21:07,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:21:07,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:21:07,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:21:07,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:21:07,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:21:07,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:21:07,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:21:07,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:21:07,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:21:07,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:21:07,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:21:07,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:21:07,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:21:07,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:21:07,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:21:07,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:21:07,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:21:07,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:21:07,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:21:07,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:21:07,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:21:07,518 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:21:07,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:21:07,520 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:21:07,520 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:21:07,520 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:21:07,520 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:21:07,521 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:21:07,521 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:21:07,527 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:21:07,528 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:21:07,529 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:21:07,529 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:21:07,529 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:21:07,530 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:21:07,530 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:21:07,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:21:07,531 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:21:07,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:21:07,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:21:07,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:21:07,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:21:07,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:21:07,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:21:07,532 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:21:07,533 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:21:07,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:21:07,533 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:21:07,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:21:07,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:21:07,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:21:07,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:21:07,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:21:07,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:21:07,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:21:07,535 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:21:07,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:21:07,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:21:07,536 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:21:07,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:21:07,536 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 913adc451f82986f823cb502b614806ec5bc93f1 [2021-10-13 07:21:07,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:21:07,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:21:07,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:21:07,898 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:21:07,899 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:21:07,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/floats-cbmc-regression/float22.i [2021-10-13 07:21:07,975 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/data/4af9924ba/f31a96459faa4479af7031d274c6910a/FLAG1f326a1e7 [2021-10-13 07:21:08,533 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:21:08,533 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/sv-benchmarks/c/floats-cbmc-regression/float22.i [2021-10-13 07:21:08,543 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/data/4af9924ba/f31a96459faa4479af7031d274c6910a/FLAG1f326a1e7 [2021-10-13 07:21:08,882 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/data/4af9924ba/f31a96459faa4479af7031d274c6910a [2021-10-13 07:21:08,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:21:08,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:21:08,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:21:08,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:21:08,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:21:08,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:08" (1/1) ... [2021-10-13 07:21:08,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb168ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:08, skipping insertion in model container [2021-10-13 07:21:08,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:08" (1/1) ... [2021-10-13 07:21:08,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:21:08,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:21:09,165 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2021-10-13 07:21:09,170 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2021-10-13 07:21:09,172 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2021-10-13 07:21:09,174 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2021-10-13 07:21:09,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:21:09,185 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:21:09,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2021-10-13 07:21:09,212 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2021-10-13 07:21:09,222 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2021-10-13 07:21:09,224 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2021-10-13 07:21:09,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:21:09,240 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:21:09,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:09 WrapperNode [2021-10-13 07:21:09,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:21:09,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:21:09,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:21:09,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:21:09,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:09" (1/1) ... [2021-10-13 07:21:09,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:09" (1/1) ... [2021-10-13 07:21:09,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:21:09,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:21:09,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:21:09,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:21:09,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:09" (1/1) ... [2021-10-13 07:21:09,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:09" (1/1) ... [2021-10-13 07:21:09,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:09" (1/1) ... [2021-10-13 07:21:09,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:09" (1/1) ... [2021-10-13 07:21:09,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:09" (1/1) ... [2021-10-13 07:21:09,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:09" (1/1) ... [2021-10-13 07:21:09,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:09" (1/1) ... [2021-10-13 07:21:09,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:21:09,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:21:09,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:21:09,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:21:09,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:09" (1/1) ... [2021-10-13 07:21:09,399 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:21:09,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:21:09,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:21:09,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:21:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:21:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:21:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 07:21:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 07:21:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 07:21:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:21:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:21:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 07:21:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:21:10,603 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:21:10,603 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-10-13 07:21:10,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:10 BoogieIcfgContainer [2021-10-13 07:21:10,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:21:10,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:21:10,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:21:10,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:21:10,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:21:08" (1/3) ... [2021-10-13 07:21:10,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787433e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:10, skipping insertion in model container [2021-10-13 07:21:10,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:09" (2/3) ... [2021-10-13 07:21:10,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787433e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:10, skipping insertion in model container [2021-10-13 07:21:10,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:10" (3/3) ... [2021-10-13 07:21:10,617 INFO L111 eAbstractionObserver]: Analyzing ICFG float22.i [2021-10-13 07:21:10,623 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:21:10,624 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-13 07:21:10,683 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:21:10,696 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:21:10,696 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-13 07:21:10,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:10,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 07:21:10,718 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:10,719 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-13 07:21:10,720 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-13 07:21:10,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:10,726 INFO L82 PathProgramCache]: Analyzing trace with hash 103116, now seen corresponding path program 1 times [2021-10-13 07:21:10,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:21:10,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416189638] [2021-10-13 07:21:10,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:10,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:21:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:21:10,870 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 07:21:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:21:11,055 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 07:21:11,057 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 07:21:11,058 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:21:11,060 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:21:11,060 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:21:11,061 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:21:11,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 07:21:11,067 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:21:11,074 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled [2021-10-13 07:21:11,075 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled [2021-10-13 07:21:11,075 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled [2021-10-13 07:21:11,076 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled [2021-10-13 07:21:11,076 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled [2021-10-13 07:21:11,076 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled [2021-10-13 07:21:11,076 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled [2021-10-13 07:21:11,077 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled [2021-10-13 07:21:11,077 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled [2021-10-13 07:21:11,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:21:11 BoogieIcfgContainer [2021-10-13 07:21:11,094 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:21:11,100 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:21:11,100 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:21:11,100 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:21:11,101 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:10" (3/4) ... [2021-10-13 07:21:11,103 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 07:21:11,103 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:21:11,105 INFO L168 Benchmark]: Toolchain (without parser) took 2217.87 ms. Allocated memory is still 155.2 MB. Free memory was 117.4 MB in the beginning and 123.9 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:21:11,105 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 155.2 MB. Free memory is still 134.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:21:11,106 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.13 ms. Allocated memory is still 155.2 MB. Free memory was 117.3 MB in the beginning and 129.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:11,107 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.06 ms. Allocated memory is still 155.2 MB. Free memory was 129.5 MB in the beginning and 127.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:11,107 INFO L168 Benchmark]: Boogie Preprocessor took 37.56 ms. Allocated memory is still 155.2 MB. Free memory was 126.9 MB in the beginning and 124.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:11,108 INFO L168 Benchmark]: RCFGBuilder took 1216.48 ms. Allocated memory is still 155.2 MB. Free memory was 124.6 MB in the beginning and 66.9 MB in the end (delta: 57.8 MB). Peak memory consumption was 58.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:11,109 INFO L168 Benchmark]: TraceAbstraction took 486.59 ms. Allocated memory is still 155.2 MB. Free memory was 66.4 MB in the beginning and 124.5 MB in the end (delta: -58.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:11,109 INFO L168 Benchmark]: Witness Printer took 3.61 ms. Allocated memory is still 155.2 MB. Free memory was 124.5 MB in the beginning and 123.9 MB in the end (delta: 628.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:21:11,113 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 155.2 MB. Free memory is still 134.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 353.13 ms. Allocated memory is still 155.2 MB. Free memory was 117.3 MB in the beginning and 129.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 109.06 ms. Allocated memory is still 155.2 MB. Free memory was 129.5 MB in the beginning and 127.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.56 ms. Allocated memory is still 155.2 MB. Free memory was 126.9 MB in the beginning and 124.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1216.48 ms. Allocated memory is still 155.2 MB. Free memory was 124.6 MB in the beginning and 66.9 MB in the end (delta: 57.8 MB). Peak memory consumption was 58.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 486.59 ms. Allocated memory is still 155.2 MB. Free memory was 66.4 MB in the beginning and 124.5 MB in the end (delta: -58.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. * Witness Printer took 3.61 ms. Allocated memory is still 155.2 MB. Free memory was 124.5 MB in the beginning and 123.9 MB in the end (delta: 628.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 144]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 130. Possible FailurePath: [L139] ieee754_float f1, f2; [L128] ieee754_float c; [L130] c.ieee.negative = index & 0x1 [L131] c.ieee.exponent = 0 [L132] c.ieee.mantissa = 0 [L134] return c; [L134] return c; [L141] f1 = returnsStructure(0) [L128] ieee754_float c; [L130] c.ieee.negative = index & 0x1 [L131] c.ieee.exponent = 0 [L132] c.ieee.mantissa = 0 [L134] return c; [L134] return c; [L142] f2 = returnsStructure(1) [L144] EXPR f1.ieee.negative [L144] EXPR f2.ieee.negative VAL [unknown-returnsStructure_#res.ieee.exponent-unknown=0, unknown-returnsStructure_#res.ieee.mantissa-unknown=0, unknown-returnsStructure_#res.ieee.negative-unknown=0] [L144] COND TRUE !(f1.ieee.negative != f2.ieee.negative) [L144] reach_error() VAL [unknown-returnsStructure_#res.ieee.exponent-unknown=0, unknown-returnsStructure_#res.ieee.mantissa-unknown=0, unknown-returnsStructure_#res.ieee.negative-unknown=0] - UnprovableResult [Line: 156]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 161]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 173]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 384.5ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 11.2ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 5.8ms SsaConstructionTime, 81.3ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 07:21:11,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:21:13,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:21:13,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:21:13,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:21:13,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:21:13,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:21:13,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:21:13,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:21:13,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:21:13,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:21:13,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:21:13,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:21:13,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:21:13,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:21:13,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:21:13,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:21:13,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:21:13,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:21:13,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:21:13,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:21:13,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:21:13,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:21:13,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:21:13,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:21:13,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:21:13,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:21:13,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:21:13,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:21:13,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:21:13,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:21:13,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:21:13,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:21:13,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:21:13,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:21:13,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:21:13,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:21:13,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:21:13,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:21:13,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:21:13,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:21:13,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:21:13,814 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:21:13,858 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:21:13,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:21:13,859 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:21:13,860 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:21:13,860 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:21:13,860 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:21:13,860 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:21:13,861 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:21:13,861 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:21:13,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:21:13,864 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:21:13,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:21:13,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:21:13,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:21:13,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:21:13,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:21:13,865 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:21:13,865 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:21:13,866 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:21:13,866 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:21:13,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:21:13,866 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:21:13,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:21:13,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:21:13,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:21:13,867 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:21:13,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:21:13,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:21:13,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:21:13,868 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:21:13,869 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:21:13,869 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:21:13,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:21:13,869 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:21:13,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:21:13,870 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 913adc451f82986f823cb502b614806ec5bc93f1 [2021-10-13 07:21:14,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:21:14,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:21:14,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:21:14,255 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:21:14,256 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:21:14,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/floats-cbmc-regression/float22.i [2021-10-13 07:21:14,338 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/data/28a5ab783/031fda4d2a0445b8aafc634ba07258be/FLAGd17310626 [2021-10-13 07:21:14,976 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:21:14,981 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/sv-benchmarks/c/floats-cbmc-regression/float22.i [2021-10-13 07:21:14,995 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/data/28a5ab783/031fda4d2a0445b8aafc634ba07258be/FLAGd17310626 [2021-10-13 07:21:15,310 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/data/28a5ab783/031fda4d2a0445b8aafc634ba07258be [2021-10-13 07:21:15,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:21:15,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:21:15,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:21:15,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:21:15,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:21:15,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:15" (1/1) ... [2021-10-13 07:21:15,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa2fc1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:15, skipping insertion in model container [2021-10-13 07:21:15,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:15" (1/1) ... [2021-10-13 07:21:15,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:21:15,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:21:15,523 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2021-10-13 07:21:15,528 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2021-10-13 07:21:15,529 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2021-10-13 07:21:15,532 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2021-10-13 07:21:15,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:21:15,547 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:21:15,597 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2021-10-13 07:21:15,600 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2021-10-13 07:21:15,632 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2021-10-13 07:21:15,647 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2021-10-13 07:21:15,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:21:15,667 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:21:15,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:15 WrapperNode [2021-10-13 07:21:15,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:21:15,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:21:15,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:21:15,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:21:15,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:15" (1/1) ... [2021-10-13 07:21:15,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:15" (1/1) ... [2021-10-13 07:21:15,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:21:15,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:21:15,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:21:15,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:21:15,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:15" (1/1) ... [2021-10-13 07:21:15,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:15" (1/1) ... [2021-10-13 07:21:15,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:15" (1/1) ... [2021-10-13 07:21:15,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:15" (1/1) ... [2021-10-13 07:21:15,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:15" (1/1) ... [2021-10-13 07:21:15,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:15" (1/1) ... [2021-10-13 07:21:15,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:15" (1/1) ... [2021-10-13 07:21:15,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:21:15,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:21:15,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:21:15,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:21:15,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:15" (1/1) ... [2021-10-13 07:21:15,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:21:15,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:21:15,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:21:15,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:21:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:21:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:21:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-13 07:21:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 07:21:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:21:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:21:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-13 07:21:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:21:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 07:21:16,516 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:21:16,516 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-10-13 07:21:16,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:16 BoogieIcfgContainer [2021-10-13 07:21:16,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:21:16,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:21:16,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:21:16,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:21:16,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:21:15" (1/3) ... [2021-10-13 07:21:16,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aecebae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:16, skipping insertion in model container [2021-10-13 07:21:16,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:15" (2/3) ... [2021-10-13 07:21:16,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aecebae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:16, skipping insertion in model container [2021-10-13 07:21:16,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:16" (3/3) ... [2021-10-13 07:21:16,527 INFO L111 eAbstractionObserver]: Analyzing ICFG float22.i [2021-10-13 07:21:16,533 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:21:16,533 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-13 07:21:16,592 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:21:16,605 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:21:16,605 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-13 07:21:16,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 31 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:16,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 07:21:16,629 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:16,630 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-13 07:21:16,631 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-13 07:21:16,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:16,644 INFO L82 PathProgramCache]: Analyzing trace with hash 889475942, now seen corresponding path program 1 times [2021-10-13 07:21:16,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:16,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [949307125] [2021-10-13 07:21:16,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:16,664 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:16,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:16,667 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:16,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:21:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:16,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-13 07:21:16,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:17,059 INFO L354 Elim1Store]: treesize reduction 47, result has 25.4 percent of original size [2021-10-13 07:21:17,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 74 treesize of output 78 [2021-10-13 07:21:17,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 75 [2021-10-13 07:21:17,860 INFO L354 Elim1Store]: treesize reduction 977, result has 5.0 percent of original size [2021-10-13 07:21:17,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 165 treesize of output 153 [2021-10-13 07:21:17,951 INFO L354 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2021-10-13 07:21:17,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 128 treesize of output 136 [2021-10-13 07:21:18,324 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-10-13 07:21:18,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 24423 treesize of output 23875 [2021-10-13 07:21:20,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:20,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:28,037 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_returnsStructure_#res.ieee.mantissa| (_ BitVec 32)) (|ULTIMATE.start_testOne_~#f1~0.offset| (_ BitVec 32)) (|ULTIMATE.start_returnsStructure_#res.ieee.negative| (_ BitVec 32)) (|ULTIMATE.start_returnsStructure_#res.ieee.exponent| (_ BitVec 32)) (|v_ULTIMATE.start_testOne_#t~mem10_9| (_ BitVec 32)) (|v_ULTIMATE.start_returnsStructure_#res.ieee.exponent_15| (_ BitVec 32)) (|ULTIMATE.start_testOne_~#f2~0.offset| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_17| (_ BitVec 32)) (|v_ULTIMATE.start_returnsStructure_~#c~1.base_18| (_ BitVec 32)) (|v_ULTIMATE.start_returnsStructure_#res.ieee.mantissa_15| (_ BitVec 32))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_testOne_~#f1~0.base| (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_testOne_~#f1~0.base|) |ULTIMATE.start_testOne_~#f1~0.offset| |ULTIMATE.start_returnsStructure_#res.ieee.negative|) (bvadd (_ bv4 32) |ULTIMATE.start_testOne_~#f1~0.offset|) |ULTIMATE.start_returnsStructure_#res.ieee.exponent|) (bvadd (_ bv8 32) |ULTIMATE.start_testOne_~#f1~0.offset|) |ULTIMATE.start_returnsStructure_#res.ieee.mantissa|) |ULTIMATE.start_testOne_~#f1~0.offset| |v_skolemized_q#valueAsBitvector_17|)))) (let ((.cse3 (store (store (store (select .cse2 |v_ULTIMATE.start_returnsStructure_~#c~1.base_18|) (_ bv0 32) (_ bv1 32)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))) (let ((.cse0 (select .cse3 (_ bv0 32)))) (or (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_returnsStructure_~#c~1.base_18|))))) (not (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (fp ((_ extract 31 31) |v_ULTIMATE.start_testOne_#t~mem10_9|) ((_ extract 30 23) |v_ULTIMATE.start_testOne_#t~mem10_9|) ((_ extract 22 0) |v_ULTIMATE.start_testOne_#t~mem10_9|)))) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_17|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_17|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_17|)) |c_ULTIMATE.start_returnsStructure_#res.f|)) (not (= |v_ULTIMATE.start_testOne_#t~mem10_9| (select (select (let ((.cse1 (store .cse2 |v_ULTIMATE.start_returnsStructure_~#c~1.base_18| .cse3))) (store .cse1 |c_ULTIMATE.start_testOne_~#f2~0.base| (store (store (store (store (select .cse1 |c_ULTIMATE.start_testOne_~#f2~0.base|) |ULTIMATE.start_testOne_~#f2~0.offset| .cse0) (bvadd |ULTIMATE.start_testOne_~#f2~0.offset| (_ bv4 32)) |v_ULTIMATE.start_returnsStructure_#res.ieee.exponent_15|) (bvadd |ULTIMATE.start_testOne_~#f2~0.offset| (_ bv8 32)) |v_ULTIMATE.start_returnsStructure_#res.ieee.mantissa_15|) |ULTIMATE.start_testOne_~#f2~0.offset| |v_ULTIMATE.start_testOne_#t~mem10_9|))) |c_ULTIMATE.start_testOne_~#f1~0.base|) |ULTIMATE.start_testOne_~#f1~0.offset|)))))))) is different from false [2021-10-13 07:21:28,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:28,120 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:28,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [949307125] [2021-10-13 07:21:28,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [949307125] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:28,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:21:28,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 07:21:28,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311330019] [2021-10-13 07:21:28,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:21:28,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:28,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:21:28,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=28, Unknown=3, NotChecked=10, Total=56 [2021-10-13 07:21:28,147 INFO L87 Difference]: Start difference. First operand has 32 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 31 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:33,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:33,308 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2021-10-13 07:21:33,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:21:33,310 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-13 07:21:33,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:33,317 INFO L225 Difference]: With dead ends: 57 [2021-10-13 07:21:33,318 INFO L226 Difference]: Without dead ends: 25 [2021-10-13 07:21:33,320 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 10719.1ms TimeCoverageRelationStatistics Valid=25, Invalid=48, Unknown=3, NotChecked=14, Total=90 [2021-10-13 07:21:33,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-10-13 07:21:33,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-10-13 07:21:33,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 24 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:33,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2021-10-13 07:21:33,351 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 6 [2021-10-13 07:21:33,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:33,351 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2021-10-13 07:21:33,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:33,352 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2021-10-13 07:21:33,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 07:21:33,352 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:33,352 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:21:33,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:33,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:33,566 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-13 07:21:33,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:33,567 INFO L82 PathProgramCache]: Analyzing trace with hash 2061469933, now seen corresponding path program 1 times [2021-10-13 07:21:33,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:33,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [125995593] [2021-10-13 07:21:33,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:33,568 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:33,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:33,571 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:33,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:21:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:33,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-13 07:21:33,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:33,939 INFO L354 Elim1Store]: treesize reduction 46, result has 27.0 percent of original size [2021-10-13 07:21:33,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 76 treesize of output 81 [2021-10-13 07:21:33,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 76 [2021-10-13 07:21:34,527 INFO L354 Elim1Store]: treesize reduction 977, result has 5.0 percent of original size [2021-10-13 07:21:34,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 166 treesize of output 154 [2021-10-13 07:21:34,598 INFO L354 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2021-10-13 07:21:34,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 129 treesize of output 137 [2021-10-13 07:21:34,821 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-10-13 07:21:34,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 435 treesize of output 391 [2021-10-13 07:21:34,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:34,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:37,034 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_testTwo_~#f2~1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_testTwo_#t~mem14_9| (_ BitVec 32)) (|ULTIMATE.start_returnsStructure_#res.ieee.mantissa| (_ BitVec 32)) (|ULTIMATE.start_returnsStructure_#res.ieee.exponent| (_ BitVec 32))) (or (not (= |v_ULTIMATE.start_testTwo_#t~mem14_9| (select (select (store |c_#memory_int| |c_ULTIMATE.start_testTwo_~#f2~1.base| (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_testTwo_~#f2~1.base|) |ULTIMATE.start_testTwo_~#f2~1.offset| |c_ULTIMATE.start_returnsStructure_#res.ieee.negative|) (bvadd (_ bv4 32) |ULTIMATE.start_testTwo_~#f2~1.offset|) |ULTIMATE.start_returnsStructure_#res.ieee.exponent|) (bvadd (_ bv8 32) |ULTIMATE.start_testTwo_~#f2~1.offset|) |ULTIMATE.start_returnsStructure_#res.ieee.mantissa|) |ULTIMATE.start_testTwo_~#f2~1.offset| |v_ULTIMATE.start_testTwo_#t~mem14_9|)) |c_ULTIMATE.start_testTwo_~#f1~1.base|) |c_ULTIMATE.start_testTwo_~#f1~1.offset|))) (not (= (fp ((_ extract 31 31) |v_ULTIMATE.start_testTwo_#t~mem14_9|) ((_ extract 30 23) |v_ULTIMATE.start_testTwo_#t~mem14_9|) ((_ extract 22 0) |v_ULTIMATE.start_testTwo_#t~mem14_9|)) |c_ULTIMATE.start_returnsStructure_#res.f|)))) is different from false [2021-10-13 07:21:46,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:46,281 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:46,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [125995593] [2021-10-13 07:21:46,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [125995593] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:46,281 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:21:46,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 07:21:46,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960733121] [2021-10-13 07:21:46,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:21:46,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:46,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:21:46,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=28, Unknown=3, NotChecked=10, Total=56 [2021-10-13 07:21:46,285 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:49,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:49,245 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2021-10-13 07:21:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:21:49,246 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-13 07:21:49,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:49,247 INFO L225 Difference]: With dead ends: 25 [2021-10-13 07:21:49,247 INFO L226 Difference]: Without dead ends: 23 [2021-10-13 07:21:49,248 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 12375.5ms TimeCoverageRelationStatistics Valid=25, Invalid=48, Unknown=3, NotChecked=14, Total=90 [2021-10-13 07:21:49,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-10-13 07:21:49,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-10-13 07:21:49,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 22 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:49,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2021-10-13 07:21:49,254 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 11 [2021-10-13 07:21:49,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:49,254 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2021-10-13 07:21:49,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:49,255 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2021-10-13 07:21:49,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 07:21:49,255 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:49,256 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:21:49,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:49,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:49,473 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-13 07:21:49,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:49,473 INFO L82 PathProgramCache]: Analyzing trace with hash -2079313263, now seen corresponding path program 1 times [2021-10-13 07:21:49,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:49,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [569757246] [2021-10-13 07:21:49,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:49,474 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:49,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:49,475 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:49,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:21:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:50,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-13 07:21:50,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:50,109 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-10-13 07:21:50,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 34 [2021-10-13 07:21:50,328 INFO L354 Elim1Store]: treesize reduction 81, result has 23.6 percent of original size [2021-10-13 07:21:50,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 35 treesize of output 50 [2021-10-13 07:21:50,688 INFO L354 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2021-10-13 07:21:50,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 85 treesize of output 95 [2021-10-13 07:21:50,764 INFO L354 Elim1Store]: treesize reduction 81, result has 23.6 percent of original size [2021-10-13 07:21:50,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 89 treesize of output 104 [2021-10-13 07:21:51,234 INFO L354 Elim1Store]: treesize reduction 132, result has 25.0 percent of original size [2021-10-13 07:21:51,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 16 case distinctions, treesize of input 153 treesize of output 152 [2021-10-13 07:21:51,306 INFO L354 Elim1Store]: treesize reduction 36, result has 26.5 percent of original size [2021-10-13 07:21:51,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 134 treesize of output 138 [2021-10-13 07:21:51,569 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-13 07:21:51,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 101 treesize of output 65 [2021-10-13 07:21:51,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:51,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:22:07,300 INFO L354 Elim1Store]: treesize reduction 46, result has 54.0 percent of original size [2021-10-13 07:22:07,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1347 treesize of output 1306 [2021-10-13 07:22:07,716 INFO L354 Elim1Store]: treesize reduction 39, result has 52.4 percent of original size [2021-10-13 07:22:07,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1234 treesize of output 1246 [2021-10-13 07:22:07,882 INFO L354 Elim1Store]: treesize reduction 28, result has 42.9 percent of original size [2021-10-13 07:22:07,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1251 treesize of output 1259 [2021-10-13 07:22:08,765 INFO L354 Elim1Store]: treesize reduction 42, result has 47.5 percent of original size [2021-10-13 07:22:08,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 55 treesize of output 81 [2021-10-13 07:22:10,102 INFO L354 Elim1Store]: treesize reduction 42, result has 52.3 percent of original size [2021-10-13 07:22:10,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 93 [2021-10-13 07:22:13,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-10-13 07:22:13,678 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-10-13 07:22:13,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-10-13 07:22:13,752 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:22:13,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 195 treesize of output 179 [2021-10-13 07:22:14,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:22:14,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:22:14,449 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:22:14,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 196 treesize of output 201 [2021-10-13 07:22:14,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-10-13 07:22:19,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:22:19,191 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:22:19,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [569757246] [2021-10-13 07:22:19,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [569757246] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:22:19,191 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:22:19,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-10-13 07:22:19,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317879780] [2021-10-13 07:22:19,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-13 07:22:19,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:22:19,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-13 07:22:19,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=135, Unknown=4, NotChecked=0, Total=182 [2021-10-13 07:22:19,194 INFO L87 Difference]: Start difference. First operand 23 states and 22 transitions. Second operand has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:22:35,042 WARN L207 SmtUtils]: Spent 9.11 s on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2021-10-13 07:22:42,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:22:42,729 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2021-10-13 07:22:42,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 07:22:42,732 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-13 07:22:42,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:22:42,732 INFO L225 Difference]: With dead ends: 23 [2021-10-13 07:22:42,733 INFO L226 Difference]: Without dead ends: 21 [2021-10-13 07:22:42,733 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 34410.9ms TimeCoverageRelationStatistics Valid=85, Invalid=214, Unknown=7, NotChecked=0, Total=306 [2021-10-13 07:22:42,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-13 07:22:42,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-13 07:22:42,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.0) internal successors, (20), 20 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:22:42,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2021-10-13 07:22:42,739 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 15 [2021-10-13 07:22:42,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:22:42,739 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2021-10-13 07:22:42,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:22:42,740 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2021-10-13 07:22:42,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 07:22:42,740 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:22:42,741 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:22:42,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:22:42,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:22:42,946 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-13 07:22:42,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:22:42,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1369496130, now seen corresponding path program 1 times [2021-10-13 07:22:42,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:22:42,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1048330904] [2021-10-13 07:22:42,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:22:42,948 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:22:42,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:22:42,949 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:22:42,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:22:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:22:43,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-13 07:22:43,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:22:43,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2021-10-13 07:22:43,605 INFO L354 Elim1Store]: treesize reduction 47, result has 25.4 percent of original size [2021-10-13 07:22:43,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 74 treesize of output 78 [2021-10-13 07:22:43,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 75 [2021-10-13 07:22:43,932 INFO L354 Elim1Store]: treesize reduction 213, result has 13.4 percent of original size [2021-10-13 07:22:43,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 128 treesize of output 124 [2021-10-13 07:22:44,050 INFO L354 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2021-10-13 07:22:44,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 117 treesize of output 125 [2021-10-13 07:22:44,334 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-10-13 07:22:44,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 113 treesize of output 73 [2021-10-13 07:22:44,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:22:44,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:22:49,001 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_testThree_~#f1~2.offset| (_ BitVec 32)) (|ULTIMATE.start_testThree_~#f2~2.offset| (_ BitVec 32)) (|v_ULTIMATE.start_returnsField_~#c~0.base_23| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_24| (_ BitVec 32)) (|v_ULTIMATE.start_testThree_#t~mem22_9| (_ BitVec 32))) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_testThree_~#f1~2.base| (store (select |c_#memory_int| |c_ULTIMATE.start_testThree_~#f1~2.base|) |ULTIMATE.start_testThree_~#f1~2.offset| |v_skolemized_q#valueAsBitvector_24|)))) (let ((.cse1 (store (store (store (select .cse3 |v_ULTIMATE.start_returnsField_~#c~0.base_23|) (_ bv0 32) (_ bv1 32)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))) (or (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_returnsField_~#c~0.base_23|))))) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_24|)) |c_ULTIMATE.start_returnsField_#res|)) (not (= (let ((.cse0 (select .cse1 (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (fp ((_ extract 31 31) |v_ULTIMATE.start_testThree_#t~mem22_9|) ((_ extract 30 23) |v_ULTIMATE.start_testThree_#t~mem22_9|) ((_ extract 22 0) |v_ULTIMATE.start_testThree_#t~mem22_9|)))) (not (= |v_ULTIMATE.start_testThree_#t~mem22_9| (select (select (let ((.cse2 (store .cse3 |v_ULTIMATE.start_returnsField_~#c~0.base_23| .cse1))) (store .cse2 |c_ULTIMATE.start_testThree_~#f2~2.base| (store (select .cse2 |c_ULTIMATE.start_testThree_~#f2~2.base|) |ULTIMATE.start_testThree_~#f2~2.offset| |v_ULTIMATE.start_testThree_#t~mem22_9|))) |c_ULTIMATE.start_testThree_~#f1~2.base|) |ULTIMATE.start_testThree_~#f1~2.offset|))))))) is different from false [2021-10-13 07:22:49,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:22:49,077 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:22:49,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1048330904] [2021-10-13 07:22:49,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1048330904] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:22:49,078 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:22:49,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2021-10-13 07:22:49,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017835640] [2021-10-13 07:22:49,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 07:22:49,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:22:49,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 07:22:49,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=40, Unknown=2, NotChecked=12, Total=72 [2021-10-13 07:22:49,080 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:22:50,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:22:50,273 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2021-10-13 07:22:50,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:22:50,273 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-13 07:22:50,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:22:50,274 INFO L225 Difference]: With dead ends: 21 [2021-10-13 07:22:50,274 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:22:50,275 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 4852.9ms TimeCoverageRelationStatistics Valid=29, Invalid=63, Unknown=2, NotChecked=16, Total=110 [2021-10-13 07:22:50,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:22:50,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:22:50,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:22:50,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:22:50,275 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2021-10-13 07:22:50,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:22:50,275 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:22:50,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:22:50,276 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:22:50,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:22:50,278 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:22:50,278 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:22:50,279 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:22:50,279 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:22:50,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-13 07:22:50,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:22:50,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:22:50,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:50,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:50,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:50,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:50,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:50,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:50,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:50,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:50,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:50,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:50,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:50,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:53,721 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 156) no Hoare annotation was computed. [2021-10-13 07:22:53,721 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:22:53,721 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:22:53,722 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:22:53,722 INFO L857 garLoopResultBuilder]: For program point L156(line 156) no Hoare annotation was computed. [2021-10-13 07:22:53,722 INFO L857 garLoopResultBuilder]: For program point L156-1(line 156) no Hoare annotation was computed. [2021-10-13 07:22:53,722 INFO L857 garLoopResultBuilder]: For program point L156-3(line 156) no Hoare annotation was computed. [2021-10-13 07:22:53,723 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 144) no Hoare annotation was computed. [2021-10-13 07:22:53,723 INFO L857 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2021-10-13 07:22:53,723 INFO L857 garLoopResultBuilder]: For program point L144-1(line 144) no Hoare annotation was computed. [2021-10-13 07:22:53,723 INFO L857 garLoopResultBuilder]: For program point L144-3(line 144) no Hoare annotation was computed. [2021-10-13 07:22:53,723 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-13 07:22:53,723 INFO L857 garLoopResultBuilder]: For program point L173-1(line 173) no Hoare annotation was computed. [2021-10-13 07:22:53,723 INFO L857 garLoopResultBuilder]: For program point L173-3(line 173) no Hoare annotation was computed. [2021-10-13 07:22:53,723 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-13 07:22:53,723 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:22:53,723 INFO L857 garLoopResultBuilder]: For program point L161-1(line 161) no Hoare annotation was computed. [2021-10-13 07:22:53,724 INFO L857 garLoopResultBuilder]: For program point L161-3(line 161) no Hoare annotation was computed. [2021-10-13 07:22:53,724 INFO L853 garLoopResultBuilder]: At program point L124(lines 117 125) the Hoare annotation is: (and (= (_ bv0 1) (bvadd (bvneg (bvneg (select |#valid| |ULTIMATE.start_testTwo_~#f1~1.base|))) (_ bv1 1))) (exists ((|v_ULTIMATE.start_returnsField_~#c~0.base_17| (_ BitVec 32))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_returnsField_~#c~0.base_17|))) (let ((.cse0 (select .cse1 (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) |ULTIMATE.start_returnsField_#res|) (= (select .cse1 (_ bv8 32)) (_ bv0 32)) (= (_ bv0 32) .cse0) (= (_ bv0 1) (select |#valid| |v_ULTIMATE.start_returnsField_~#c~0.base_17|)) (= (select .cse1 (_ bv4 32)) (_ bv0 32)))))) (= |ULTIMATE.start_testTwo_~#f1~1.offset| (_ bv0 32)) (exists ((v_arrayElimCell_34 (_ BitVec 1))) (let ((.cse2 (bvneg v_arrayElimCell_34))) (and (= (_ bv0 1) (bvadd (bvneg (bvneg .cse2)) (_ bv1 1))) (= (_ bv0 1) (bvadd .cse2 (select |#valid| |ULTIMATE.start_testTwo_~#f2~1.base|)))))) (not (= (select (select |#memory_int| |ULTIMATE.start_testTwo_~#f2~1.base|) |ULTIMATE.start_testTwo_~#f2~1.offset|) (select (select |#memory_int| |ULTIMATE.start_testTwo_~#f1~1.base|) |ULTIMATE.start_testTwo_~#f1~1.offset|))) (= |ULTIMATE.start_testTwo_~#f2~1.offset| (_ bv0 32))) [2021-10-13 07:22:53,724 INFO L853 garLoopResultBuilder]: At program point L124-1(lines 117 125) the Hoare annotation is: (and (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_testTwo_~#f2~1.base|)) (_ bv1 1))) (= |ULTIMATE.start_testTwo_~#f1~1.offset| (_ bv0 32)) (exists ((|v_ULTIMATE.start_returnsField_~#c~0.base_18| (_ BitVec 32))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start_returnsField_~#c~0.base_18|))) (let ((.cse1 (select .cse0 (_ bv0 32)))) (and (not (= |v_ULTIMATE.start_returnsField_~#c~0.base_18| |ULTIMATE.start_testTwo_~#f2~1.base|)) (= (select .cse0 (_ bv4 32)) (_ bv0 32)) (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) |ULTIMATE.start_returnsField_#res|) (= (_ bv0 32) (select .cse0 (_ bv8 32))) (= (_ bv1 32) .cse1))))) (not (= |ULTIMATE.start_testTwo_~#f1~1.base| |ULTIMATE.start_testTwo_~#f2~1.base|)) (= (let ((.cse2 (select (select |#memory_int| |ULTIMATE.start_testTwo_~#f1~1.base|) |ULTIMATE.start_testTwo_~#f1~1.offset|))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (fp (_ bv0 1) (_ bv0 8) (_ bv0 23))) (= |ULTIMATE.start_testTwo_~#f2~1.offset| (_ bv0 32)) (exists ((|v_ULTIMATE.start_returnsStructure_~#c~1.base_27| (_ BitVec 32))) (= (_ bv0 1) (select |#valid| |v_ULTIMATE.start_returnsStructure_~#c~1.base_27|))) (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_testTwo_~#f1~1.base|)) (_ bv1 1)))) [2021-10-13 07:22:53,725 INFO L853 garLoopResultBuilder]: At program point L124-2(lines 117 125) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_returnsField_~#c~0.base_22| (_ BitVec 32))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_returnsField_~#c~0.base_22|))) (let ((.cse0 (select .cse1 (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) |ULTIMATE.start_returnsField_#res|) (= (_ bv0 1) (select |#valid| |v_ULTIMATE.start_returnsField_~#c~0.base_22|)) (= (select .cse1 (_ bv4 32)) (_ bv0 32)) (= .cse0 (_ bv0 32)) (= (select .cse1 (_ bv8 32)) (_ bv0 32)))))) (forall ((|ULTIMATE.start_testThree_~#f1~2.offset| (_ BitVec 32)) (|ULTIMATE.start_testThree_~#f2~2.offset| (_ BitVec 32)) (|v_ULTIMATE.start_returnsField_~#c~0.base_23| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_24| (_ BitVec 32)) (|v_ULTIMATE.start_testThree_#t~mem22_9| (_ BitVec 32))) (let ((.cse5 (store |#memory_int| |ULTIMATE.start_testThree_~#f1~2.base| (store (select |#memory_int| |ULTIMATE.start_testThree_~#f1~2.base|) |ULTIMATE.start_testThree_~#f1~2.offset| |v_skolemized_q#valueAsBitvector_24|)))) (let ((.cse3 (store (store (store (select .cse5 |v_ULTIMATE.start_returnsField_~#c~0.base_23|) (_ bv0 32) (_ bv1 32)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))) (or (not (= (_ bv0 1) (bvneg (bvneg (select |#valid| |v_ULTIMATE.start_returnsField_~#c~0.base_23|))))) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_24|)) |ULTIMATE.start_returnsField_#res|)) (not (= (let ((.cse2 (select .cse3 (_ bv0 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (fp ((_ extract 31 31) |v_ULTIMATE.start_testThree_#t~mem22_9|) ((_ extract 30 23) |v_ULTIMATE.start_testThree_#t~mem22_9|) ((_ extract 22 0) |v_ULTIMATE.start_testThree_#t~mem22_9|)))) (not (= |v_ULTIMATE.start_testThree_#t~mem22_9| (select (select (let ((.cse4 (store .cse5 |v_ULTIMATE.start_returnsField_~#c~0.base_23| .cse3))) (store .cse4 |ULTIMATE.start_testThree_~#f2~2.base| (store (select .cse4 |ULTIMATE.start_testThree_~#f2~2.base|) |ULTIMATE.start_testThree_~#f2~2.offset| |v_ULTIMATE.start_testThree_#t~mem22_9|))) |ULTIMATE.start_testThree_~#f1~2.base|) |ULTIMATE.start_testThree_~#f1~2.offset|))))))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |ULTIMATE.start_testThree_~#f2~2.base|)))) [2021-10-13 07:22:53,725 INFO L853 garLoopResultBuilder]: At program point L124-3(lines 117 125) the Hoare annotation is: (and (= (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_testThree_~#f1~2.base|) |ULTIMATE.start_testThree_~#f1~2.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (fp (_ bv0 1) (_ bv0 8) (_ bv0 23))) (exists ((|v_ULTIMATE.start_returnsField_~#c~0.base_23| (_ BitVec 32))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_returnsField_~#c~0.base_23|))) (let ((.cse2 (select .cse1 (_ bv0 32)))) (and (= (select .cse1 (_ bv4 32)) (_ bv0 32)) (= .cse2 (_ bv1 32)) (= (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) |ULTIMATE.start_returnsField_#res|) (not (= |ULTIMATE.start_testThree_~#f1~2.base| |v_ULTIMATE.start_returnsField_~#c~0.base_23|)) (not (= |v_ULTIMATE.start_returnsField_~#c~0.base_23| |ULTIMATE.start_testThree_~#f2~2.base|)) (= (select .cse1 (_ bv8 32)) (_ bv0 32)))))) (not (= |ULTIMATE.start_testThree_~#f1~2.base| |ULTIMATE.start_testThree_~#f2~2.base|))) [2021-10-13 07:22:53,725 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed. [2021-10-13 07:22:53,725 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 161) no Hoare annotation was computed. [2021-10-13 07:22:53,725 INFO L860 garLoopResultBuilder]: At program point L183(lines 178 184) the Hoare annotation is: true [2021-10-13 07:22:53,725 INFO L860 garLoopResultBuilder]: At program point L146(lines 138 147) the Hoare annotation is: true [2021-10-13 07:22:53,725 INFO L860 garLoopResultBuilder]: At program point L175(lines 167 176) the Hoare annotation is: true [2021-10-13 07:22:53,726 INFO L853 garLoopResultBuilder]: At program point L134(lines 127 135) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_returnsStructure_~#c~1.base_17| (_ BitVec 32))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start_returnsStructure_~#c~1.base_17|))) (let ((.cse1 (select .cse0 (_ bv0 32)))) (and (= (select .cse0 (_ bv8 32)) (_ bv0 32)) (= .cse1 (_ bv0 32)) (= |ULTIMATE.start_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (= (select .cse0 (_ bv4 32)) (_ bv0 32)) (= (_ bv0 1) (select |#valid| |v_ULTIMATE.start_returnsStructure_~#c~1.base_17|)))))) (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_testOne_~#f2~0.base|)) (_ bv1 1))) (not (= |ULTIMATE.start_testOne_~#f2~0.base| |ULTIMATE.start_testOne_~#f1~0.base|)) (forall ((|ULTIMATE.start_returnsStructure_#res.ieee.mantissa| (_ BitVec 32)) (|ULTIMATE.start_testOne_~#f1~0.offset| (_ BitVec 32)) (|ULTIMATE.start_returnsStructure_#res.ieee.negative| (_ BitVec 32)) (|ULTIMATE.start_returnsStructure_#res.ieee.exponent| (_ BitVec 32)) (|v_ULTIMATE.start_testOne_#t~mem10_9| (_ BitVec 32)) (|v_ULTIMATE.start_returnsStructure_#res.ieee.exponent_15| (_ BitVec 32)) (|ULTIMATE.start_testOne_~#f2~0.offset| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_17| (_ BitVec 32)) (|v_ULTIMATE.start_returnsStructure_~#c~1.base_18| (_ BitVec 32)) (|v_ULTIMATE.start_returnsStructure_#res.ieee.mantissa_15| (_ BitVec 32))) (let ((.cse4 (store |#memory_int| |ULTIMATE.start_testOne_~#f1~0.base| (store (store (store (store (select |#memory_int| |ULTIMATE.start_testOne_~#f1~0.base|) |ULTIMATE.start_testOne_~#f1~0.offset| |ULTIMATE.start_returnsStructure_#res.ieee.negative|) (bvadd (_ bv4 32) |ULTIMATE.start_testOne_~#f1~0.offset|) |ULTIMATE.start_returnsStructure_#res.ieee.exponent|) (bvadd (_ bv8 32) |ULTIMATE.start_testOne_~#f1~0.offset|) |ULTIMATE.start_returnsStructure_#res.ieee.mantissa|) |ULTIMATE.start_testOne_~#f1~0.offset| |v_skolemized_q#valueAsBitvector_17|)))) (let ((.cse5 (store (store (store (select .cse4 |v_ULTIMATE.start_returnsStructure_~#c~1.base_18|) (_ bv0 32) (_ bv1 32)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))) (let ((.cse2 (select .cse5 (_ bv0 32)))) (or (not (= (_ bv0 1) (bvneg (bvneg (select |#valid| |v_ULTIMATE.start_returnsStructure_~#c~1.base_18|))))) (not (= (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) (fp ((_ extract 31 31) |v_ULTIMATE.start_testOne_#t~mem10_9|) ((_ extract 30 23) |v_ULTIMATE.start_testOne_#t~mem10_9|) ((_ extract 22 0) |v_ULTIMATE.start_testOne_#t~mem10_9|)))) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_17|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_17|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_17|)) |ULTIMATE.start_returnsStructure_#res.f|)) (not (= |v_ULTIMATE.start_testOne_#t~mem10_9| (select (select (let ((.cse3 (store .cse4 |v_ULTIMATE.start_returnsStructure_~#c~1.base_18| .cse5))) (store .cse3 |ULTIMATE.start_testOne_~#f2~0.base| (store (store (store (store (select .cse3 |ULTIMATE.start_testOne_~#f2~0.base|) |ULTIMATE.start_testOne_~#f2~0.offset| .cse2) (bvadd |ULTIMATE.start_testOne_~#f2~0.offset| (_ bv4 32)) |v_ULTIMATE.start_returnsStructure_#res.ieee.exponent_15|) (bvadd |ULTIMATE.start_testOne_~#f2~0.offset| (_ bv8 32)) |v_ULTIMATE.start_returnsStructure_#res.ieee.mantissa_15|) |ULTIMATE.start_testOne_~#f2~0.offset| |v_ULTIMATE.start_testOne_#t~mem10_9|))) |ULTIMATE.start_testOne_~#f1~0.base|) |ULTIMATE.start_testOne_~#f1~0.offset|))))))))) [2021-10-13 07:22:53,726 INFO L853 garLoopResultBuilder]: At program point L134-1(lines 127 135) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_returnsStructure_~#c~1.base_18| (_ BitVec 32))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_returnsStructure_~#c~1.base_18|))) (let ((.cse0 (select .cse1 (_ bv0 32)))) (and (not (= |ULTIMATE.start_testOne_~#f2~0.base| |v_ULTIMATE.start_returnsStructure_~#c~1.base_18|)) (= .cse0 |ULTIMATE.start_returnsStructure_#res.ieee.negative|) (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) |ULTIMATE.start_returnsStructure_#res.f|) (= (select .cse1 (_ bv4 32)) (_ bv0 32)) (not (= |ULTIMATE.start_testOne_~#f1~0.base| |v_ULTIMATE.start_returnsStructure_~#c~1.base_18|)) (= .cse0 (_ bv1 32)) (= (select .cse1 (_ bv8 32)) (_ bv0 32)))))) (not (= |ULTIMATE.start_testOne_~#f2~0.base| |ULTIMATE.start_testOne_~#f1~0.base|)) (= (let ((.cse2 (select (select |#memory_int| |ULTIMATE.start_testOne_~#f1~0.base|) |ULTIMATE.start_testOne_~#f1~0.offset|))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (fp (_ bv0 1) (_ bv0 8) (_ bv0 23)))) [2021-10-13 07:22:53,726 INFO L853 garLoopResultBuilder]: At program point L134-2(lines 127 135) the Hoare annotation is: (and (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_testTwo_~#f2~1.base|)) (_ bv1 1))) (= |ULTIMATE.start_testTwo_~#f1~1.offset| (_ bv0 32)) (not (= |ULTIMATE.start_testTwo_~#f1~1.base| |ULTIMATE.start_testTwo_~#f2~1.base|)) (= |ULTIMATE.start_testTwo_~#f2~1.offset| (_ bv0 32)) (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_testTwo_~#f1~1.base|)) (_ bv1 1))) (exists ((|v_ULTIMATE.start_returnsStructure_~#c~1.base_22| (_ BitVec 32))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_returnsStructure_~#c~1.base_22|))) (let ((.cse0 (select .cse1 (_ bv0 32)))) (and (= |ULTIMATE.start_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= (_ bv0 1) (select |#valid| |v_ULTIMATE.start_returnsStructure_~#c~1.base_22|)) (= (_ bv0 32) (select .cse1 (_ bv4 32))) (= .cse0 (_ bv0 32)) (= (select .cse1 (_ bv8 32)) (_ bv0 32))))))) [2021-10-13 07:22:53,726 INFO L853 garLoopResultBuilder]: At program point L134-3(lines 127 135) the Hoare annotation is: (and (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_testTwo_~#f2~1.base|)) (_ bv1 1))) (= |ULTIMATE.start_testTwo_~#f1~1.offset| (_ bv0 32)) (not (= |ULTIMATE.start_testTwo_~#f1~1.base| |ULTIMATE.start_testTwo_~#f2~1.base|)) (= (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_testTwo_~#f1~1.base|) |ULTIMATE.start_testTwo_~#f1~1.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (fp (_ bv0 1) (_ bv0 8) (_ bv0 23))) (= |ULTIMATE.start_testTwo_~#f2~1.offset| (_ bv0 32)) (exists ((|v_ULTIMATE.start_returnsStructure_~#c~1.base_27| (_ BitVec 32))) (= (_ bv0 1) (select |#valid| |v_ULTIMATE.start_returnsStructure_~#c~1.base_27|))) (exists ((|v_ULTIMATE.start_returnsStructure_~#c~1.base_23| (_ BitVec 32))) (let ((.cse2 (select |#memory_int| |v_ULTIMATE.start_returnsStructure_~#c~1.base_23|))) (let ((.cse1 (select .cse2 (_ bv0 32)))) (and (= (_ bv1 32) .cse1) (= (select .cse2 (_ bv8 32)) (_ bv0 32)) (= (select .cse2 (_ bv4 32)) (_ bv0 32)) (not (= |ULTIMATE.start_testTwo_~#f2~1.base| |v_ULTIMATE.start_returnsStructure_~#c~1.base_23|)) (not (= |ULTIMATE.start_testTwo_~#f1~1.base| |v_ULTIMATE.start_returnsStructure_~#c~1.base_23|)) (= |ULTIMATE.start_returnsStructure_#res.ieee.negative| .cse1) (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) |ULTIMATE.start_returnsStructure_#res.f|))))) (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_testTwo_~#f1~1.base|)) (_ bv1 1)))) [2021-10-13 07:22:53,726 INFO L853 garLoopResultBuilder]: At program point L163(lines 150 164) the Hoare annotation is: (= (fp (_ bv0 1) (_ bv0 8) (_ bv1 23)) |ULTIMATE.start_returnsField_#res|) [2021-10-13 07:22:53,730 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:22:53,748 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (bvneg (_ BitVec 1) (_ BitVec 1)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:211) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:452) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-13 07:22:53,754 INFO L168 Benchmark]: Toolchain (without parser) took 98439.95 ms. Allocated memory was 75.5 MB in the beginning and 148.9 MB in the end (delta: 73.4 MB). Free memory was 54.1 MB in the beginning and 51.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 75.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:22:53,755 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 50.3 MB. Free memory was 30.4 MB in the beginning and 30.4 MB in the end (delta: 40.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:22:53,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.63 ms. Allocated memory is still 75.5 MB. Free memory was 54.0 MB in the beginning and 58.0 MB in the end (delta: -4.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:22:53,759 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.66 ms. Allocated memory is still 75.5 MB. Free memory was 58.0 MB in the beginning and 55.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:22:53,759 INFO L168 Benchmark]: Boogie Preprocessor took 91.70 ms. Allocated memory is still 75.5 MB. Free memory was 55.3 MB in the beginning and 53.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:22:53,759 INFO L168 Benchmark]: RCFGBuilder took 668.48 ms. Allocated memory is still 75.5 MB. Free memory was 53.0 MB in the beginning and 52.4 MB in the end (delta: 546.3 kB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:22:53,760 INFO L168 Benchmark]: TraceAbstraction took 97233.24 ms. Allocated memory was 75.5 MB in the beginning and 148.9 MB in the end (delta: 73.4 MB). Free memory was 52.1 MB in the beginning and 51.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 74.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:22:53,763 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 50.3 MB. Free memory was 30.4 MB in the beginning and 30.4 MB in the end (delta: 40.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 352.63 ms. Allocated memory is still 75.5 MB. Free memory was 54.0 MB in the beginning and 58.0 MB in the end (delta: -4.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.66 ms. Allocated memory is still 75.5 MB. Free memory was 58.0 MB in the beginning and 55.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.70 ms. Allocated memory is still 75.5 MB. Free memory was 55.3 MB in the beginning and 53.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 668.48 ms. Allocated memory is still 75.5 MB. Free memory was 53.0 MB in the beginning and 52.4 MB in the end (delta: 546.3 kB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 97233.24 ms. Allocated memory was 75.5 MB in the beginning and 148.9 MB in the end (delta: 73.4 MB). Free memory was 52.1 MB in the beginning and 51.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 74.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 144]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 156]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 161]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 173]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 97140.5ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 14.4ms, AutomataDifference: 32890.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 3240.8ms, InitialAbstractionConstructionTime: 11.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 70 SDtfs, 5 SDslu, 220 SDs, 0 SdLazy, 243 SolverSat, 24 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 9495.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 3 IntricatePredicates, 3 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 62358.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 27.8ms AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 22 NumberOfFragments, 1177 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 87.0ms HoareSimplificationTime, 12 FomulaSimplificationsInter, 435 FormulaSimplificationTreeSizeReductionInter, 3145.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 93.4ms SsaConstructionTime, 1108.7ms SatisfiabilityAnalysisTime, 58597.1ms InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 96 ConstructedInterpolants, 24 QuantifiedInterpolants, 2988 SizeOfPredicates, 93 NumberOfNonLiveVariables, 436 ConjunctsInSsa, 111 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(0bv1, 0bv8, 1bv23) == \result - ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 1) (_ BitVec 1)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (bvneg (_ BitVec 1) (_ BitVec 1)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 07:22:53,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53145d8-f267-4e0c-aa88-d8d718abad59/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...